Reports of the Inspectors of Mines of the anthracite and bituminous ...

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332 Eeports of the Inspectors of Mines. [Off. Doc. aore of 19,493 cubic feet of air g'oino- out at the outlet per minute, and the distribution is all rig-lit. No. 3.—On my first visit the ventilation was defective at the face of the heading-s, notwithstanding- there was 20,160 cubic feet of air g-oing out at the outlet per minute. On each subsequent visit I found the mine all rig-ht. Mining-boss, William M. Hart. Mammoth Nos. 1 and 2.—I have made four regular visits to this mine since May 25, 1891, at neither of these visits did I see any fire-damp, except a very small feeder at the head of No. 4 flat, which I considered very harmless. The fire-bosses have not seen any either, except this that I mentioned above. I made a thorough examination of the dip workings with the mine boss and the fire-bosses on December 31, and we went over the falls in the headings where the explosion happened, and we could not see the least trace of fire-damp after making a careful examination. The average quantity of air g-oing in at the inlets per minute was 61,932 cubic feet. There have been many important improvements made in the mine since the explosion. The system of ventilation has been completely changed. A large brick overcast has been builb over the slope for the inlet current of air, and a smaller one was built on No. 2 flat in order to divide the current, thus making the main slope the return airway. Arrangements have been made to build an- other overcast over No. 1 butt, 1st flat; this when completed will take the main body of air off the traveling- way. Eighteen brick stoppings were built so as to prevent leakage. Traveling way has been g-raded, corduroyed and whitewashed from entrance to No. 3 flat of slope. An air-shaft was sunk on sixth butt of fourteenth flat, 6' X 8', 45 feet deep, for the future return of air. The said air-shaft has been timbered, whitewashed and fitted way if necessary. up with stairs and all conveniences for an escape- A new 8" water line has been laid on main slope of shaft, 3,000' in lengthy for conveying water from the dip to pump station. Three bore-holes have been put down 105 feet in depth, two 12" holes and one 14". Two of these holes are used for pumping- water out of the mine; the other one to be used for steam, air and exhaust. A new pump-house has also been built at the pumping station in the mine which is sufficiently large for holding three pumps. The pump-house is timbered with 10"xl2" timber and the floor laid with 3" plank. The entrance of traveling- way into the mine has been straightened, enlarged, timbered and whitewashed. A water course Avas driven from surface to No. 1 flat of slope to cai-ry off all surface water from mine. On my last visit to the mine I obtained the following air measurements: Inlet to slope, velocity, 500'x42'=:21,000 cubic feet; inlet to dip workings of shaft, velocity, 940'x53'=49,820; total at both inlets, 70,820 cubic feet per minute. No. 3 flat, velocity, 340'X52'=:17,680 cubic feet; No. 4 flat, velocity, 260'X47'=12,220 cubic feet per minute. This quantity of air gives to each person employed in the mine 265 cal)ic feet per minute.
No. 12.] Second Bituminous District. 333 All persons in the mine are using- the locked safety lamp, and it is the intention, in the near future, to use electricity to lig-ht the shaft bottom. The mine is now in first-class condition. Mining-boss, James Eaton. BIcClure Coke Com2mny 31ines. Donnelly No. 1.—The ventilation in this mine was rather defective during- the year. The average quantity of air going out at the outlet per minute was 7,887 cubic feet. On my last visit a fan 12' in diameter had been erected, size of engine 8" X 14". The monthly report of the mine-boss for December showed that the fan had been started, and the air measurement at the outlet indicated 28,560 cubic feet per minute. This quantity is ample if properly distributed. Drainage all right. Bomielhj No. '2.—The ventilation in this mine has been rather defective during the year. The average amount of air in circulation per minute was 5,260 cubic feet. The drainage was all right. Mining-boss, William Alexander. Mayfield.—This mine has been kept in a healthy condition during the year, with an average of 9,540 cubic feet of air in circulation per minute. Mining-boss, Peter P. Glenn. Buckeye.—The ventilation was rather defective during- the summer months. The company erected a fan 12' iu diameter, engines 8 "Xl4 ", attached direct to the fan. On my visit after the fan was started I measured 83,600 cubic feet per minute going- out at the outlet, when the fan was speeded to 80 revolutions per minute. The mine is in a healthy condition now, and with proper care it can be kept in that condition, because there is ample means for ventilation. Mining-boss, George J. Burns. Bessemer and Rising Sun Mines.—These mines have only worked thirty- three days this year. Enterprise Mine.—Hhi^ mine has only worked a few days. Hazlett Shaft—This mine was iu fair condition at the time of my visit. Hazlett Slo2Je.—This mine has worked but a very short time this year, and was not working at the time of my visit. Mining-boss, Alexander Davenport. Mullin.—This mine has been kept in very fair condition during- the year. The average quantity of air going out at the outlet per minute was 11,733 cubic feet. The quantity was fairly distributed throug-h the mine. Miningf-boss, Hugh Boss. Union.—On my first visit to this mine the ventilation was very defective, and the company stopped operations for a few days in order to build a furnace. Size of furnace, length of arch, 20', fire bed, 6'x6', 36 square feet. The air shaft is 18' deep, with a stack 26' high. On my subsequent visits 1 measured an average of 13,160 cubic feet of air
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CONTENTS. Report of Inspector of Se
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05 00 E-i W 02 H Z Q C o W S O t4 c
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6 Keports of the Inspectors of Mine
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8 Reports of the Inspectors of Mine
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10 Reports of the Inspectors of Min
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12 Reports of the Inspectors or Min
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22 REP0KT8 OF THE InSPECTOES OF MiN
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26 Eeports of the Inspectors of Min
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32 Keports of the Inspectors of Min
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34 Reports of the Inspectorrs of Mi
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Official Document, No. 12. THIRD AN
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No. 12.] Thihd Anthkacite District.
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No. 12.] Thibd Anthbacite District.
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No. 12.] Third Anthracite District.
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No, 12 I Third Anthracite District.
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No. 12.] TniRD Anthracite District.
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No. 12.1 Third Anthracite District.
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No. 12,] Tried Anthracite District.
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No 12.] Thied Antheacite District.
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Official Document, No. 12. FOURTH A
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No. 12.] Fourth Anthracite District
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No. 12.] Fourth Anthbacite District
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No. 12.1 FouBTH Anthracite District
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C O N V N G H
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86 Kepokts of the Inspectors of Min
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88 Eeports of the Inspectors of Min
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: 90 Reports of the Inspectors of M
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94 Reports of the Inspectors of Mix
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98 Reports or the Inspectors of Min
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100 EErOETS OF THE iNSrECTORS OF Mi
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102 Reports of the Inspectors of Mi
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106 Eeports of the Inspectors of Mi
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No. 12.] FouETH Anthracite District
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No. 12.1 Fourth Anthracite District
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No. 12.] Fourth Antheacite District
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No. 12.;] Fourth Anthracite Distric
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Official Document, No. 12 FIFTH ANT
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No. 12.] Fifth Antheacite District.
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No. 12.] Fifth Anthkacite District.
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lô. 12.1 Fifth Anthracite Distkict
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PLAN a CROSS SECTION — o F TH e:
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No. 12.J Fifth Anthracite District.
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No. 12.] Fifth Anthracite District,
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No 12.] Fifth Anthracite District.
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No. 12.] Fifth Anthracite District.
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No. 12.] Fifth Anthkacite District.
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No. 12.] Fifth Anthracite District.
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J- F A U L.-1 FA U LT- Dab 0-fl.Q,Q
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154 Keports of the Inspectors of Mi
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164 Eeports of the Inspectous of Mi
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M A P OF PART OF WORKINGS FROM SLOP
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184 Keport of the Inspectors of Min
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186 Eepoets of the Inspectors of Mi
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192 Reports of the Inspectoks of Mi
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194 Eepoets of the Inspectors of Mi
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212 Eepokts of the Inspectors of Mi
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216 Reports of the Inspectobs of Mi
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218 Keports of the Inspectorrs of M
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220 Reports of the Inspectoes of Mi
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Section On Line Or Slope No.!. Onei
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226 Kepokts of the Inspectors of Mi
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No. 12.] Sixth Anthracite District.
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T"'^'"Tn5v^ ,-_^,.,.Mvûj,i«j,-e»
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No. 12.1 Sixth Anthracite Distbict.
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'ô. 12. I Sixth >M O ^f O S " tlj;
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Official Document, No. 12. SEVENTH
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No. 12.] Seventh Anthracite Distric
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No. 12.] Seventh Antheacite Distric
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No. 12.] Seventh Anthracite Distwct
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Official Document, No. 12. EIGHTH A
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No 12.] Eighth Anthracite District.
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No. 12.] . Eighth Anthracite Distri
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No. 12.1 Eighth Anthkacite District
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No. 12.] Eighth Anthracite District
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Page 335: BITUMINOUS MINE DISTRICTS 19-12-91.
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378 Eepobt of the Inspectors of Min
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380 Repokts of the Inspectors of Mi
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384 Eepokts of the Inspectors of Mi
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386 Eeport of the Inspectoes of Min
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Official Document, No. 12. FIFTH BI
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No. 12.] Fifth Bituminous Disteict.
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HiCAD FRAME.
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400 Reports of the Inspectoks of Mi
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404 KEPORfS OF THE INSPECTORS OF Mi
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408 Kepokts of the Inspectors of Mi
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No. 12.] ' Fifth Bituminous Distric
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No 12.] Fifth Bituminous District.
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No. 12.] Fifth Bituminous District.
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No. 12.J Fifth Bituminous District.
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No 12.] Fifth Bituminous District.
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No. 12.1 Fifth Bituminous Distkict.
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No. 12.J Fifth Bituminous Disêict.
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426 Reports of the Ixspectoks of Mi
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428 Keports of the Inspectoes of Mi
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446 Keports of the Inspectoes of Mi
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486 KEroRTs of the Inspectoes of Mi
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488 Eeports of the Inspectoes of Mi
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490 Beports of the iNsrECXOES OF Mi
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'111 \ ) ] \ \ — GRASSFLAT MINE S
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No. 12.] Eighth Bituminous District
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EXPLANATION STOPPING GROSSING REGUL
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504 Eepokts of the Inspectoes of Mi
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508 Eeports of the Inspectoes of Mi
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510 Reports of the iNsrECTOiis of M
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5V2 Eeports of the Inspectoes of Mi
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Reports of the Inspectors of Mines of the anthracite and bituminous ...

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